Abstract: An audio playback method used in an audio playback device is provided. The audio playback method includes steps outlined below. An audio playback command is received by a processing unit through a network communication unit. A total sound channel number of the audio playback device is determined by the processing unit. A piece of audio data having a specific sound channel number is retrieved by the processing unit through the network communication unit from internet, wherein the specific sound channel number is equal to or larger than the total sound channel number. Audio playback modules are controlled to play an audio by the processing unit according to the audio data.

Abstract: A circuit of light-emitting elements connected between two power terminals is disclosed in the present disclosure. The circuit of light-emitting elements includes a smooth conducting line, multiple light-emitting elements, and a zigzag conducting line. The smooth conducting line is connected to one of the power terminals. One terminal of each light-emitting element is electrically connected at a different position of the smooth conducting line. The zigzag conducting line is connected to the other of the power terminals, and the other terminal of each light-emitting element is electrically connected at a different position of the zigzag conducting line. Each shortest path, starting from one of the power terminals, passing through any the light-emitting element along the smooth conducting line, and ending at the other of the power terminals along the zigzag conducting line, has substantially a same resistance value.

Abstract: A sleep aid system and an operation method thereof are disclosed. The sleep aid system includes a sleep aid device including a retrieving module, a processing module, and a transmitting module, and a server. The retrieving module retrieves a brainwave signal including specific frequency band signals. The processing module analyzes the brainwave signal to obtain an index in each of the specific frequency band signals and calculates a sleepless degree parameter representing one of at least five brainwave states regarding sleep accordingly. The transmitting module transmits a parameter signal corresponding to the sleepless degree parameter. The server receives the parameter signal from the transmitting module. The server stores comparison data, compares the parameter signal to the comparison data, and generates a first feedback signal according to a comparison result. The first feedback signal includes a command to switch an audio file or stream which is currently being played.

Abstract: A light bar includes a wiring substrate, a plurality of light sources, and at least one high efficient heat-dissipating component. The wiring substrate has a first surface and a second surface opposite to the first surface. The second surface is divided into at least one high efficient heat-dissipating section and at least one low efficient heat-dissipating section. The light sources are respectively disposed on the first surface opposite to the high efficient heat-dissipating section and the low efficient heat-dissipating section. The high efficient heat-dissipating component is disposed on the high efficient heat-dissipating section.

Abstract: An example method and apparatus for audio-visual communication is provided. In some examples, a method as disclosed herein may include receiving an incoming call indication comprising a conversation request from a remote party, wherein the outgoing call request is displayed in a visual communication screen area on a display; establishing a communication link with the remote party in an instance in which an answering signal has been received, the communication link enabling a multi-directional audio and visual conversation; and causing a received video of the remote party to be displayed in the visual communication screen area, wherein the display is operable to display multimedia content in a multimedia screen area simultaneously with the received video of the remote party in the visual communication screen area.

Abstract: An audio output device including a casing, a first speaker component, a second speaker component and a sound-guiding board, and a video/audio output device using the same are disclosed. The first speaker component is a circular speaker, and is disposed at the casing. The first speaker component faces towards a first direction. The second speaker component is disposed at the casing, and faces towards a second direction which is different from the first direction. The sound-guiding board is a square plate body, located above the first speaker component, and is separated at a predetermined distance from the first speaker component.

Abstract: A fatigue monitoring apparatus includes a fatigue detecting helmet. The fatigue detecting helmet includes a cap, a first electrode, a second electrode, a fatigue computation device and a power supply. The first electrode is disposed in the cap to contact a head, thereby obtaining a first physiological information. The second electrode is positioned out of the cap to contact the head, thereby obtaining a second physiological information. The fatigue computation device and the power supply are disposed on the cap. The fatigue computation device includes a brainwave computation module and a fatigue judgment module. The brainwave computation module is electrically connected to the first and second electrodes for obtaining a brainwave information based on the first and second physiological information. The fatigue judgment module is electrically connected to the brainwave computation module for obtaining a fatigue information based on the brainwave information.